#nickname_modal{
    display: none;
}
#nickname_modal .body{
    display: flex;
    flex-direction: column;
    align-items: center;
}
.input{
    width: 100%;
    height: 48px;
    font-size: 32px;
    color: #333333;
    text-align: center;
    margin: 1.5em 0;
}